Book Image

Mastering PostgreSQL 11 - Second Edition

By : Hans-Jürgen Schönig
Book Image

Mastering PostgreSQL 11 - Second Edition

By: Hans-Jürgen Schönig

Overview of this book

This second edition of Mastering PostgreSQL 11 helps you build dynamic database solutions for enterprise applications using the latest release of PostgreSQL, which enables database analysts to design both the physical and technical aspects of the system architecture with ease. This book begins with an introduction to the newly released features in PostgreSQL 11 to help you build efficient and fault-tolerant PostgreSQL applications. You’ll examine all of the advanced aspects of PostgreSQL in detail, including logical replication, database clusters, performance tuning, monitoring, and user management. You will also work with the PostgreSQL optimizer, configuring PostgreSQL for high speed, and see how to move from Oracle to PostgreSQL. As you progress through the chapters, you will cover transactions, locking, indexes, and optimizing queries to improve performance. Additionally, you’ll learn to manage network security and explore backups and replications, while understanding the useful extensions of PostgreSQL so that you can optimize the speed and performance of large databases. By the end of this book, you will be able to use your database to its utmost capacity by implementing advanced administrative tasks with ease.
Table of Contents (15 chapters)
Free Chapter
1
PostgreSQL Overview

Transaction log archiving and recovery

After our brief introduction to the transaction log in general, it is time to focus on the process of transaction log archiving. As we have already seen, the transaction log contains a sequence of binary changes that are made to the storage system. So, why not use it to replicate database instances and do a lot of other cool stuff, such as archiving?

Configuring for archiving

The first thing we want to do in this chapter is create a configuration to perform standard Point-In-Time Recovery (PITR). There are a couple of advantages of using PITR over ordinary dumps:

  • We will lose less data because we can restore the data to a certain point in time and not just to the fixed backup point.
  • ...